8/12/12: Working Commercial Structure Fire, 11301 Wilshire Blvd (VA Hospital - Building 501, Chiller Building), Fire in electrical equipment inside a portion of a 100' x 150' concrete mechanical building. 55 FF's knocked down the fire in 23 min with no extension to the rest of the building. RA37 reported the incident as a still alarm while en route to another incident.Time of alarm 1337 hours.